Function - Limits a numeric value between low and high bounds.
Inputs
|
Input |
Data Type |
Range |
Unit |
Default |
Description |
|---|---|---|---|---|---|
|
IMIN |
DINT |
|
|
|
Low bound. |
|
IN |
DINT |
|
|
|
Input value. |
|
IMAX |
DINT |
|
|
|
High bound. |
Outputs
|
Output |
Data Type |
Range |
Unit |
Description |
|---|---|---|---|---|
|
Q |
DINT |
|
|
IMIN if IN < IMIN; IMAX if IN > IMAX; IN otherwise. |
Remarks
None
Function Diagram
FBD Language Example
FFLD Language Example
- In the FFLD Language, the input rung (EN) enables the operation.
- The output rung keeps the state of the input rung.
- The comparison is executed only if EN is TRUE.
- ENO has the same value as EN.
IL Language Example
- In the IL Language, the first input must be loaded before the function call.
- Other inputs are operands of the function, separated by comas.
Op1: LD IMIN
LIMIT IN, IMAX
ST Q
ST Language Example
Q := LIMIT (IMIN, IN, IMAX);
See Also
